diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 071eaa6..4553f36 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -68,7 +68,7 @@ jobs:
 
       - name: Upload to Codecov
         if: success()
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: coverage/lcov.info